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    • 1. 发明授权
    • Method and apparatus for generating gas pulses
    • 用于产生气体脉冲的方法和装置
    • US07585372B2
    • 2009-09-08
    • US11089789
    • 2005-03-23
    • Pauli JokelaKimmo Savolainen
    • Pauli JokelaKimmo Savolainen
    • B08B3/12G10K9/00
    • F23C15/00B08B7/0007B08B7/02F28G7/00F28G7/005
    • Method and apparatus of producing gas pressure pulses in a dust-deposit cleaning apparatus. The apparatus comprises a combustion chamber and an amplifying horn. According to the method a combustible gas and oxygen is fed into the combustion chamber, which has a generally elongated shape, the gas mixture is ignited for generating a pressure pulse, and the pressure pulse is released from the chamber and conducted to the amplifying horn. The gas mixture is ignited to generate an initial explosion which causes a pressure wave, which is reflected from the inner walls of the chamber end to form a collision zone, in which the initial explosion is at least partially transformed into a detonation. The combustion front is reflected from the gas inlet end and compressed at the other end of the chamber and released to the amplifying horn. By means of the invention, sound levels of about 165-170 dB can be produced at low fuel consumption.
    • 在灰尘沉积清洁装置中产生气体压力脉冲的方法和装置。 该装置包括燃烧室和放大号角。 根据该方法,将可燃气体和氧气进料到具有大致细长形状的燃烧室中,点燃气体混合物以产生压力脉冲,并且将压力脉冲从室释放并传导到放大喇叭。 气体混合物被点燃以产生初始爆炸,其引起从腔室端部的内壁反射的压力波,以形成碰撞区域,其中初始爆炸至少部分地转变为爆炸。 燃烧前端从气体入口端反射并在室的另一端被压缩并释放到放大喇叭。 通过本发明,可以在低燃料消耗下产生约165-170dB的声级。
    • 2. 发明申请
    • Audible signal device and work machines using same
    • 声光信号装置和工作机使用相同
    • US20060158318A1
    • 2006-07-20
    • US11030629
    • 2005-01-06
    • Daniel Zimmermann
    • Daniel Zimmermann
    • G10K9/00G08B3/10
    • H04R27/00
    • An audible signal device which includes a DC to DC converter is provided. A group of work machines is further provided, including at least two work machines having electrical systems with different operating voltages. First and second audible signal devices are coupled with the first and second electrical systems respectively, wherein the second audible signal device is interchangeable with the first audible signal device and at least one of the devices includes a DC to DC converter. A method of assembling a plurality of dissimilar machines, each including an interchangeable audible signal device is further provided.
    • 提供一种包括DC-DC转换器的可听信号装置。 还提供一组作业机械,包括至少两台具有不同工作电压的电气系统的工作机器。 第一和第二可听信号装置分别与第一和第二电气系统耦合,其中第二可听信号装置可与第一可听信号装置互换,并且装置中的至少一个包括DC-DC转换器。 还提供了一种组装多个不同机器的方法,每个机器包括可互换的可听信号装置。